The lines that are shown in this illustration is a representation of what kind of lines? A. parallel lines
B. intersecting lines
C. skew lines
D. perpendicular lines

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?